YK

Yoshitaka Kuraoka

NI Ngk Insulators: 5 patents #7 of 203Top 4%
Overall (2017): #23,918 of 506,227Top 5%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9768352 Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using same Morimichi Watanabe, Jun Yoshikawa, Tsutomu Nanataki 2017-09-19
9660138 Light emitting device and method for manufacturing light emitting device Shohei Oue, Masahiko Namerikawa, Morimichi Watanabe 2017-05-23
9653649 Gallium nitride substrates and functional devices Makoto Iwai, Masahiro Sakai, Katsuhiro Imai 2017-05-16
9653651 Light emitting device and method for manufacturing light emitting device Shohei Oue, Masahiko Namerikawa, Morimichi Watanabe 2017-05-16
9543473 Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using same Morimichi Watanabe, Jun Yoshikawa, Tsutomu Nanataki 2017-01-10